package jp.tonosama.komoki.wheel.widget;

/**
 * @author Komoki
 */
public interface WheelAdapter {

    /**
     * Gets items count
     * 
     * @return the count of wheel items
     */
    int getItemsCount();

    /**
     * Gets a wheel item by index.
     * 
     * @param index the item index
     * @return the wheel item text or null
     */
    String getItem(int index);

    /**
     * Gets maximum item length. It is used to determine the wheel width. If -1 is returned there
     * will be used the default wheel width.
     * 
     * @return the maximum item length or -1
     */
    int getMaximumLength();
}
